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Finding the Fourth Proportional to 146,672, 220,012.32 and 35,864

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Solution

The fourth proportional to 146,672, 220,012.32 and 35,864 is: 53,797.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,672 : 220,012.32 = 35,864 : x
  2. Step 2: Convert to fraction form
    146,672/220,012.32 = 35,864/x
  3. Step 3: Cross multiply
    146,672x = 220,012.32 × 35,864
  4. Step 4: Simplify right side
    146,672x = 7,890,521,844.48
  5. Step 5: Solve for x
    x = 7,890,521,844.48/146,672
  6. Step 6: Final answer
    x = 53,797.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.